diff --git a/webui2/src/components/code/file-viewer.module.css b/webui2/src/components/code/file-viewer.module.css
index d7b6953a15120d056530b72bc762d4ec15e7eb3b..49f4cb392e3a8ce63ce4eec824987ff39217cbb2 100644
--- a/webui2/src/components/code/file-viewer.module.css
+++ b/webui2/src/components/code/file-viewer.module.css
@@ -14,22 +14,22 @@
   display: block;
 }
 
-.code-content code > .line {
+.code-content code > :global(.line) {
   display: block;
   min-width: 100%;
   padding-right: 1rem;
 }
 
-.code-content code > .line:first-child {
+.code-content code > :global(.line):first-child {
   padding-top: 0.5rem;
 }
 
-.code-content code > .line:last-child {
+.code-content code > :global(.line):last-child {
   padding-bottom: 0.5rem;
 }
 
 /* Line numbers via ::before pseudo-element */
-.code-content code > .line::before {
+.code-content code > :global(.line)::before {
   content: attr(data-line-number);
   display: inline-block;
   width: 3rem;
@@ -39,12 +39,3 @@
   user-select: none;
   cursor: pointer;
 }
-
-/* Line highlighting */
-.code-content code > .line.highlighted {
-  background-color: rgba(255, 235, 59, 0.3);
-}
-
-:global(.dark) .code-content code > .line.highlighted {
-  background-color: rgba(255, 235, 59, 0.15);
-}